Dynamic Index Coding for Wireless Broadcast Networks

  title={Dynamic Index Coding for Wireless Broadcast Networks},
  author={Michael J. Neely and Arash Saber Tehrani and Zhen Zhang},
  journal={2012 Proceedings IEEE INFOCOM},
We consider a wireless broadcast station that transmits packets to multiple users. The packet requests for each user may overlap, and some users may already have certain packets. This presents a problem of broadcasting in the presence of side information, and is a generalization of the well-known (and unsolved) index coding problem of information theory. We represent the problem by a bipartite demand graph. Uncoded transmission is optimal if and only if this graph is acyclic. Next, we define a… CONTINUE READING
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